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Make servant compilable with GHC8

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This commit is contained in:
Oleg Grenrus 2016-02-18 22:56:19 +02:00
parent fbf7c02d73
commit a266965051
1 changed files with 1 additions and 1 deletions
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2
servant/src/Servant/API/ContentTypes.hs
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@ -169,7 +169,7 @@ class (AllMime list) => AllCTRender (list :: [*]) a where
handleAcceptH :: Proxy list -> AcceptHeader -> a -> Maybe (ByteString, ByteString)
instance OVERLAPPABLE_
(AllMimeRender (ct ': cts) a) => AllCTRender (ct ': cts) a where
(Accept ct, AllMime cts, AllMimeRender (ct ': cts) a) => AllCTRender (ct ': cts) a where
handleAcceptH _ (AcceptHeader accept) val = M.mapAcceptMedia lkup accept
where pctyps = Proxy :: Proxy (ct ': cts)
amrs = allMimeRender pctyps val